IE7 fix.

[wolnelektury.git] / apps / catalogue / models.py

diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index 58025fa..2097e17 100644 (file)
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -1,4 +1,7 @@
 # -*- coding: utf-8 -*-
 # -*- coding: utf-8 -*-

+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#

 from django.db import models
 from django.db.models import permalink, Q
 from django.utils.translation import ugettext_lazy as _
 from django.db import models
 from django.db.models import permalink, Q
 from django.utils.translation import ugettext_lazy as _


@@ -6,7 +9,9 @@ from django.contrib.auth.models import User
 from django.core.files import File
 from django.template.loader import render_to_string
 from django.utils.safestring import mark_safe
 from django.core.files import File
 from django.template.loader import render_to_string
 from django.utils.safestring import mark_safe

+from django.utils.translation import get_language

 from django.core.urlresolvers import reverse
 from django.core.urlresolvers import reverse

+from datetime import datetime

 
 from newtagging.models import TagBase
 from newtagging import managers
 
 from newtagging.models import TagBase
 from newtagging import managers


@@ -47,6 +52,7 @@ class Tag(TagBase):
     
     user = models.ForeignKey(User, blank=True, null=True)
     book_count = models.IntegerField(_('book count'), default=0, blank=False, null=False)
     
     user = models.ForeignKey(User, blank=True, null=True)
     book_count = models.IntegerField(_('book count'), default=0, blank=False, null=False)

+    death = models.IntegerField(_(u'year of death'), blank=True, null=True)

     gazeta_link = models.CharField(blank=True,  max_length=240)
     wiki_link = models.CharField(blank=True,  max_length=240)
     
     gazeta_link = models.CharField(blank=True,  max_length=240)
     wiki_link = models.CharField(blank=True,  max_length=240)
     


@@ -55,6 +61,17 @@ class Tag(TagBase):
     has_description.short_description = _('description')
     has_description.boolean = True
 
     has_description.short_description = _('description')
     has_description.boolean = True
 

+    def alive(self):
+        return self.death is None
+    
+    def in_pd(self):
+        """ tests whether an author is in public domain """
+        return self.death is not None and self.goes_to_pd() <= datetime.now().year
+    
+    def goes_to_pd(self):
+        """ calculates the year of public domain entry for an author """
+        return self.death + 71 if self.death is not None else None
+

     @permalink
     def get_absolute_url(self):
         return ('catalogue.views.tagged_object_list', [self.slug])
     @permalink
     def get_absolute_url(self):
         return ('catalogue.views.tagged_object_list', [self.slug])


@@ -108,22 +125,24 @@ class Book(models.Model):
     objects = models.Manager()
     tagged = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)
     objects = models.Manager()
     tagged = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)

-

     
     @property
     def name(self):
         return self.title
     
     def short_html(self):
     
     @property
     def name(self):
         return self.title
     
     def short_html(self):

-        if len(self._short_html):
-            return mark_safe(self._short_html)
+        key = '_short_html_%s' % get_language()
+        short_html = getattr(self, key)
+        
+        if len(short_html):
+            return mark_safe(short_html)

         else:
             tags = self.tags.filter(~Q(category__in=('set', 'theme', 'book')))
             tags = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) for tag in tags]
 
             formats = []
             if self.html_file:
         else:
             tags = self.tags.filter(~Q(category__in=('set', 'theme', 'book')))
             tags = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) for tag in tags]
 
             formats = []
             if self.html_file:

-                formats.append(u'<a href="%s">Czytaj online</a>' % reverse('book_text', kwargs={'slug': self.slug}))
+                formats.append(u'<a href="%s">%s</a>' % (reverse('book_text', kwargs={'slug': self.slug}), _('Read online')))

             if self.pdf_file:
                 formats.append(u'<a href="%s">PDF</a>' % self.pdf_file.url)
             if self.odt_file:
             if self.pdf_file:
                 formats.append(u'<a href="%s">PDF</a>' % self.pdf_file.url)
             if self.odt_file:


@@ -137,17 +156,27 @@ class Book(models.Model):
             
             formats = [mark_safe(format) for format in formats]
             
             
             formats = [mark_safe(format) for format in formats]
             

-            self._short_html = unicode(render_to_string('catalogue/book_short.html',
-                {'book': self, 'tags': tags, 'formats': formats}))
-            self.save()
-            return mark_safe(self._short_html)
+            setattr(self, key, unicode(render_to_string('catalogue/book_short.html',
+                {'book': self, 'tags': tags, 'formats': formats})))
+            self.save(reset_short_html=False)
+            return mark_safe(getattr(self, key))

     
     

-    def save(self, force_insert=False, force_update=False):
+    def save(self, force_insert=False, force_update=False, reset_short_html=True):
+        if reset_short_html:
+            # Reset _short_html during save
+            for key in filter(lambda x: x.startswith('_short_html'), self.__dict__):
+                self.__setattr__(key, '')
+        
+        book = super(Book, self).save(force_insert, force_update)
+        

         if self.mp3_file:
         if self.mp3_file:

+            print self.mp3_file, self.mp3_file.path

             extra_info = self.get_extra_info_value()
             extra_info.update(self.get_mp3_info())
             self.set_extra_info_value(extra_info)
             extra_info = self.get_extra_info_value()
             extra_info.update(self.get_mp3_info())
             self.set_extra_info_value(extra_info)

-        return super(Book, self).save(force_insert, force_update)
+            book = super(Book, self).save(force_insert, force_update)
+        
+        return book

     
     def get_mp3_info(self):
         """Retrieves artist and director names from audio ID3 tags."""
     
     def get_mp3_info(self):
         """Retrieves artist and director names from audio ID3 tags."""


@@ -194,7 +223,7 @@ class Book(models.Model):
             book_shelves = []
         else:
             if not overwrite:
             book_shelves = []
         else:
             if not overwrite:

-                raise Book.AlreadyExists('Book %s already exists' % book_slug)
+                raise Book.AlreadyExists(_('Book %s already exists') % book_slug)

             # Save shelves for this book
             book_shelves = list(book.tags.filter(category='set'))
         
             # Save shelves for this book
             book_shelves = list(book.tags.filter(category='set'))
         


@@ -231,11 +260,14 @@ class Book(models.Model):
         if hasattr(book_info, 'parts'):
             for n, part_url in enumerate(book_info.parts):
                 base, slug = part_url.rsplit('/', 1)
         if hasattr(book_info, 'parts'):
             for n, part_url in enumerate(book_info.parts):
                 base, slug = part_url.rsplit('/', 1)

-                child_book = Book.objects.get(slug=slug)
-                child_book.parent = book
-                child_book.parent_number = n
-                child_book.save()
-
+                try:
+                    child_book = Book.objects.get(slug=slug)
+                    child_book.parent = book
+                    child_book.parent_number = n
+                    child_book.save()
+                except Book.DoesNotExist, e:
+                    raise Book.DoesNotExist(_('Book with slug = "%s" does not exist.') % slug)
+        

         book_descendants = list(book.children.all())
         while len(book_descendants) > 0:
             child_book = book_descendants.pop(0)
         book_descendants = list(book.children.all())
         while len(book_descendants) > 0:
             child_book = book_descendants.pop(0)


@@ -311,16 +343,18 @@ class Fragment(models.Model):
     tags = managers.TagDescriptor(Tag)
     
     def short_html(self):
     tags = managers.TagDescriptor(Tag)
     
     def short_html(self):

-        if len(self._short_html):
-            return mark_safe(self._short_html)
+        key = '_short_html_%s' % get_language()
+        short_html = getattr(self, key)         
+        if len(short_html):
+            return mark_safe(short_html)

         else:
             book_authors = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) 
                 for tag in self.book.tags if tag.category == 'author']
             
         else:
             book_authors = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) 
                 for tag in self.book.tags if tag.category == 'author']
             

-            self._short_html = unicode(render_to_string('catalogue/fragment_short.html',
-                {'fragment': self, 'book': self.book, 'book_authors': book_authors}))
+            setattr(self, key, unicode(render_to_string('catalogue/fragment_short.html',
+                {'fragment': self, 'book': self.book, 'book_authors': book_authors})))

             self.save()
             self.save()

-            return mark_safe(self._short_html)
+            return mark_safe(getattr(self, key))

     
     def get_absolute_url(self):
         return '%s#m%s' % (reverse('book_text', kwargs={'slug': self.book.slug}), self.anchor)
     
     def get_absolute_url(self):
         return '%s#m%s' % (reverse('book_text', kwargs={'slug': self.book.slug}), self.anchor)


@@ -330,3 +364,30 @@ class Fragment(models.Model):
         verbose_name = _('fragment')
         verbose_name_plural = _('fragments')
 
         verbose_name = _('fragment')
         verbose_name_plural = _('fragments')
 

+
+class BookStub(models.Model):
+    title = models.CharField(_('title'), max_length=120)
+    author = models.CharField(_('author'), max_length=120)
+    pd = models.IntegerField(_('goes to public domain'), null=True, blank=True)
+    slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
+    translator = models.TextField(_('translator'), blank=True)
+    translator_death = models.TextField(_('year of translator\'s death'), blank=True)
+
+    def in_pd(self):
+        return self.pd is not None and self.pd <= datetime.now().year
+
+    @property
+    def name(self):
+        return self.title
+    
+    @permalink
+    def get_absolute_url(self):
+        return ('catalogue.views.book_detail', [self.slug])
+
+    def __unicode__(self):
+        return self.title
+    
+    class Meta:
+        ordering = ('title',)
+        verbose_name = _('book stub')
+        verbose_name_plural = _('book stubs')
\ No newline at end of file